Questions tagged [esp8266wifi]
151 questions
1
vote
1 answer
Android 12 WI-FI Connection
Phone Model: Google Pixel 4
Os version : Android 12
We have tried to connect Open wifi of IOT device from System but it showing obtaining IP address and never changed state of that one.
Before Android 12 it connects successfully.
Things tried to…
MIkka Marmik
- 1,101
- 11
- 29
1
vote
0 answers
ESP8266-RTOS-SDK - cannot connect to WPA2 network depending on esp_wifi_init() location
I encounter a strange issue while working on my project with ESP8266 and using FreeRTOS SDK (version release/v3.4).
In my code, I'd like to have 5 functions for controlling WiFi…
micmys
- 48
- 6
1
vote
2 answers
Print library value from function on display
I'm trying to print the return value(WiFi.localIP) on my display from the library ESP8266WiFi. But I'm getting an error. For the display I'm using the SSD1306 library.
The purpose of this is to print the IP adress of the ESP8266 on the…
Laurens
- 33
- 8
1
vote
0 answers
Esp8266 Http communication over Wifi
Goal
I am trying to send temperature data between two Esp8266 modules.
The Server reads a temperature value from the analog pin and is supposed to host this data on a website (I don´t know the correct term for that) over a wifi access point that…
Philipp Kleinheider
- 11
- 2
1
vote
0 answers
SSL handshake with Firebase Realtime DB stopped working sequentially to a Blaze plan issue (ESP8266-Firebase communication)
Some background to the current events: in June we upgraded our Firebase project to Blaze plan.
At the beginning of July, we were charged $0.01 for Cloud Storage. For some reason, the payment didn't go through and we got a Firebase warning that the…
Sunny
- 83
- 5
1
vote
0 answers
Why ESP8266 module can connect to my iPhone Hotspot but cannot connection to my home wifi?
Here is the code for scanning WiFi network and connecting to the WiFi.
#include
#include
#define USER_SERIAL Serial
const char* ssid = "*****";
const char* pass = "*****";
void setup() {
USER_SERIAL.begin(115200);
…
Ly Bunvath
- 21
- 4
1
vote
1 answer
How to get access to ESP8266 ( NODEMCU ) served website outside local network?
I'm able to connect my ESP8266 to local network, serve a website and access it on my mobile using the local IP address.
So I tried getting my Public IP using api.ipify.org and use it to access the nodemcu server outside my local network but I…
Pervez
- 391
- 1
- 10
1
vote
1 answer
ESP8266-05 always return +CWJAP:4 on connection to any Wi-Fi network
I am a novice with ESP8266. I have an ESP-05 module connected to my PC USB through CH340 com-port adapter.
I was able to list all networks with AT+CWLAP, but when I put the command to connect to, it shows me a CWJAP:4 error. I tried my home network,…
Alexey Khaydukov
- 23
- 3
1
vote
1 answer
How to connect the ESP8266 Wifi Module to firebase through the STM32CubeIDE
I am working on an embedded project on the STM32F103rb Nucleo-64 board.
The project contains the ESP8266 Wifi Module.
I write the code in the STM32CubeIDE workspace.
Is there a way to connect the ESP8266 Wifi Module to firebase through the…
Mana
- 63
- 1
- 9
1
vote
0 answers
ESP 8266 WiFiManager.h> //https://github.com/tzapu/WiFiManager wifiManager.setConnectTimeout(180);
in my cases wifiManager.setConnectTimeout(180); does not wait for 180 sec, But only 60 sec. my router takes about 2 minutes to setup after power outage my esp does not connect to the router until it hard reset.
code is here for your reviews.
…
Mudasser Jamil
- 11
- 2
1
vote
1 answer
ERR_CONNECTION_REFUSED when communicating with my ESP8266 over WiFi
Derived from the following code.
I uploaded that code to my ESP8266 and it's all good and okay when I communicate with it with my laptop while my laptop is connected to my network with a LAN cable.
The problem is: when I try to communicate with the…
Shalabyer
- 555
- 7
- 23
1
vote
1 answer
ESP8266 connects to wifi, but doesnt registrer it
I have a ESP8266 which can connect to the wifi just fine (can see it on the mobile hotspot) but it does not registrer it itself (as in it does not continue the code)
sometimes it can registrer it and sometime it doesn't.
I could not find any…
Frederik A.
- 33
- 5
1
vote
0 answers
Debugging POST request ESP8266 PHP
I used Postman to debug my PHP POST API, and it works (ignoring the json versos non-json input).
JimS-CLT
- 665
- 4
- 13
- 30
1
vote
0 answers
ESP8266-01 not working at all, with AT firmware or blink sketch
I have worked a lot to make these modules work, but they don't.
Module : ESP8266 ESP-01
Module image
I uploaded several versions of AT firmware with different methods and and softwares and tested sending AT command with different softwares. but I…
Aministrator
- 31
- 6
1
vote
1 answer
ESP8266 - Setting Wifi Credentials programmatically and then checking they are valid, and then change them if they are not (without reset)
I have an NodeMCU chip that needs to connect to my home wifi and post an http request. I use the chip in WIFI_STA_AP mode as I need the chip to both accept requests via http and issue requests by http.
I do not want to hard-code my home's…
DataGrump
- 213
- 3
- 12